Thanks NIbiker. I really don't understand the 'coil & core' comment or the KERS & F1 reference but I guess the former is about how LEDs work and the latter about some sort of gremlin or SNAFU.

I might take this LED question to a broader audience and address it in a separate post.

Thanks again.

Cheers, Richard
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09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge